Electric Transmission of Energy and Its Transformation, Subdivision, and Distribution: A Practical HandbookWhittaker & Company, 1886 - 331 páginas |
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Página 9
... flows . The means by which , in this case , energy is transformed are , for the most part , purely mechanical , and sufficiently familiar to our imagination to allow us to form a mental picture of the different processes taking place ...
... flows . The means by which , in this case , energy is transformed are , for the most part , purely mechanical , and sufficiently familiar to our imagination to allow us to form a mental picture of the different processes taking place ...
Página 25
... flows . The zinc and copper plate of a Daniell cell are joined by a stout square wire bent into the form of a circle , as shown , and since all the lines pass around the wire in the same sense it follows that the whole interior space of ...
... flows . The zinc and copper plate of a Daniell cell are joined by a stout square wire bent into the form of a circle , as shown , and since all the lines pass around the wire in the same sense it follows that the whole interior space of ...
Página 28
... flow through it for a short time , and if the magnet be withdrawn from the coil , a momentary current in the reverse direction is created . Now since it is im- possible that a current should flow without there being ABSOLUTE ...
... flow through it for a short time , and if the magnet be withdrawn from the coil , a momentary current in the reverse direction is created . Now since it is im- possible that a current should flow without there being ABSOLUTE ...
Página 30
... flow from the bar of higher to the bar of lower potential . Such a flow of electricity will actually take place , and can be made visible if the bars be connected by a galvanometer . Let d be the distance between the bars , v the ...
... flow from the bar of higher to the bar of lower potential . Such a flow of electricity will actually take place , and can be made visible if the bars be connected by a galvanometer . Let d be the distance between the bars , v the ...
Página 37
... motor is a loss , and that those well - meaning but confused inventors who strive to design motors which shall have as little counter - electro - motive force as possible , so as not to check the flow of current which works the motor ,
... motor is a loss , and that those well - meaning but confused inventors who strive to design motors which shall have as little counter - electro - motive force as possible , so as not to check the flow of current which works the motor ,
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Términos y frases comunes
amperes armature core arrangement battery brake brushes cable capital outlay cent chapter commercial efficiency commutator conductor connected constant speed cost counter-electro-motive force Creil curve cylinder dead points diameter distance dynamos and motors electric transmission electrical efficiency electrical energy electrical resistance electro-motive force employed engine equal equation exciting power experiments external field magnets flow formula friction Gramme dynamo Gramme machine greater heat horse-shoe hydraulic inches increase insulation iron latter length lines of force load loss machine magnet pole magnetic field magnetic resistance Marcel Deprez maximum mechanical energy motive force number of lines obtained ohms parallel placed pole pieces position practical pressure produced proportional represent revolutions a minute rheostat right angles self-induction self-regulating series-wound shown in Fig shunt coils slider spindle steam-engine steel strength tion total number trans transmission of energy transmitted volts weight whilst wound وو
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Página 209 - ... filled with paper, wood shavings, or other protective material that prevent the articles from moving about or coming in contact with each other or with the sides of the box In course of transmission. (2) Liquids, oils, etc. Liquids, oils, and substances which easily liquefy must be enclosed in hermetically sealed receptacles. Each receptacle must be placed in a separate box of metal, strong wood, or strong corrugated...
Página 210 - Now, if we have a single pair of cables, one of them connected to the positive and the other to the negative terminal of the...